Split out parsing of one host into a separate function and add a new function to loop through all the host XML nodes. This change removes multiple levels of nesting due to the old XML parsing approach used. --- src/conf/domain_conf.c | 117 +++++++++++++++++++++++++++---------------------- 1 file changed, 64 insertions(+), 53 deletions(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 9320794de..a3fd7195a 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -6429,71 +6429,61 @@ virDomainHostdevSubsysPCIDefParseXML(xmlNodePtr node, return ret; } + static int -virDomainStorageHostParse(xmlNodePtr node, - virStorageNetHostDefPtr *hosts, - size_t *nhosts) +virDomainStorageNetworkParseHost(xmlNodePtr hostnode, + virStorageNetHostDefPtr *hosts, + size_t *nhosts) { int ret = -1; - xmlNodePtr child; char *transport = NULL; virStorageNetHostDef host; memset(&host, 0, sizeof(host)); + host.transport = VIR_STORAGE_NET_HOST_TRANS_TCP; - child = node->children; - while (child != NULL) { - if (child->type == XML_ELEMENT_NODE && - xmlStrEqual(child->name, BAD_CAST "host")) { - - host.transport = VIR_STORAGE_NET_HOST_TRANS_TCP; - - /* transport can be tcp (default), unix or rdma. */ - if ((transport = virXMLPropString(child, "transport"))) { - host.transport = virStorageNetHostTransportTypeFromString(transport); - if (host.transport < 0) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, - _("unknown protocol transport type '%s'"), - transport); - goto cleanup; - } - } + /* transport can be tcp (default), unix or rdma. */ + if ((transport = virXMLPropString(hostnode, "transport"))) { + host.transport = virStorageNetHostTransportTypeFromString(transport); + if (host.transport < 0) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("unknown protocol transport type '%s'"), + transport); + goto cleanup; + } + } - host.socket = virXMLPropString(child, "socket"); + host.socket = virXMLPropString(hostnode, "socket"); - if (host.transport == VIR_STORAGE_NET_HOST_TRANS_UNIX && - host.socket == NULL) { - virReportError(VIR_ERR_XML_ERROR, "%s", - _("missing socket for unix transport")); - goto cleanup; - } + if (host.transport == VIR_STORAGE_NET_HOST_TRANS_UNIX && + host.socket == NULL) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("missing socket for unix transport")); + goto cleanup; + } - if (host.transport != VIR_STORAGE_NET_HOST_TRANS_UNIX && - host.socket != NULL) { - virReportError(VIR_ERR_XML_ERROR, - _("transport '%s' does not support " - "socket attribute"), - transport); - goto cleanup; - } + if (host.transport != VIR_STORAGE_NET_HOST_TRANS_UNIX && + host.socket != NULL) { + virReportError(VIR_ERR_XML_ERROR, + _("transport '%s' does not support " + "socket attribute"), + transport); + goto cleanup; + } - VIR_FREE(transport); + if (host.transport != VIR_STORAGE_NET_HOST_TRANS_UNIX) { + if (!(host.name = virXMLPropString(hostnode, "name"))) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("missing name for host")); + goto cleanup; + } - if (host.transport != VIR_STORAGE_NET_HOST_TRANS_UNIX) { - if (!(host.name = virXMLPropString(child, "name"))) { - virReportError(VIR_ERR_XML_ERROR, "%s", - _("missing name for host")); - goto cleanup; - } + host.port = virXMLPropString(hostnode, "port"); + } - host.port = virXMLPropString(child, "port"); - } + if (VIR_APPEND_ELEMENT(*hosts, *nhosts, host) < 0) + goto cleanup; - if (VIR_APPEND_ELEMENT(*hosts, *nhosts, host) < 0) - goto cleanup; - } - child = child->next; - } ret = 0; cleanup: @@ -6502,6 +6492,27 @@ virDomainStorageHostParse(xmlNodePtr node, return ret; } + +static int +virDomainStorageNetworkParseHosts(xmlNodePtr node, + virStorageNetHostDefPtr *hosts, + size_t *nhosts) +{ + xmlNodePtr child; + + for (child = node->children; child; child = child->next) { + if (child->type == XML_ELEMENT_NODE && + xmlStrEqual(child->name, BAD_CAST "host")) { + + if (virDomainStorageNetworkParseHost(child, hosts, nhosts) < 0) + return -1; + } + } + + return 0; +} + + static int virDomainHostdevSubsysSCSIHostDefParseXML(xmlNodePtr sourcenode, virDomainHostdevSubsysSCSIPtr scsisrc) @@ -6609,8 +6620,8 @@ virDomainHostdevSubsysSCSIiSCSIDefParseXML(xmlNodePtr sourcenode, goto cleanup; } - if (virDomainStorageHostParse(sourcenode, &iscsisrc->hosts, - &iscsisrc->nhosts) < 0) + if (virDomainStorageNetworkParseHosts(sourcenode, &iscsisrc->hosts, + &iscsisrc->nhosts) < 0) goto cleanup; if (iscsisrc->nhosts < 1) { @@ -7879,7 +7890,7 @@ virDomainDiskSourceParse(xmlNodePtr node, /* config file currently only works with remote disks */ src->configFile = virXPathString("string(./config/@file)", ctxt); - if (virDomainStorageHostParse(node, &src->hosts, &src->nhosts) < 0) + if (virDomainStorageNetworkParseHosts(node, &src->hosts, &src->nhosts) < 0) goto cleanup; if (virStorageSourceNetworkAssignDefaultPorts(src) < 0) -- 2.13.2 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list